Self-Employed Tax Calculator UK (2026/27)

Estimate take-home profit after income tax and Class 4 National Insurance, with optional student loan deductions. Results update instantly and include a quarterly set-aside estimate for payments on account.

Updated for 2026/27 · Reviewed by James Whitfield · Methodology and assumptions

£

Results

Annual net income
£101,231.95
Monthly net income
£8,436.00
Weekly net income
£1,946.77
Quarterly set-aside
£39,884.03
Set aside £39,884.03 per quarter. Payment dates are typically 31 January and 31 July.

Full breakdown

Annual profit£181,000.00
Income tax£74,891.45
Class 4 NI£4,876.60
Student loan£0.00
Total deductions£79,768.05
Net income£101,231.95

Income tax by band

Band Rate Taxable amount Tax
Starter rate 19.0% £3,967.00 £753.73
Basic rate 20.0% £12,989.00 £2,597.80
Intermediate rate 21.0% £14,136.00 £2,968.56
Higher rate 42.0% £31,338.00 £13,161.96
Advanced rate 45.0% £50,140.00 £22,563.00
Top rate 48.0% £68,430.00 £32,846.40

Class 4 NI by band

Range Rate Profit in band NI
£12,570 to £50,270 6.0% £37,700.00 £2,262.00
Above £50,270 2.0% £130,730.00 £2,614.60